5-Nitro-6-methyluracil

Modify Date: 2026-07-05 19:05:47

5-Nitro-6-methyluracil Structure
5-Nitro-6-methyluracil structure
Common Name 5-Nitro-6-methyluracil
CAS Number 16632-21-6 Molecular Weight 171.111
Density 1.6±0.1 g/cm3 Boiling Point N/A
Molecular Formula C5H5N3O4 Melting Point 290-291°C dec.
MSDS N/A Flash Point 215.3ºC

Summary: 5-Nitro-6-methyluracil, also known as 2,4-dihydroxy-6-methyl-5-nitropyrimidine, with CAS number 16632-21-6, has a molecular formula of C5H5N3O4 and a molecular weight of 171.111. This compound is a pale yellow crystal with a melting point of 290-291°C and a density of 1.6±0.1 g/cm³. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 5-Nitro-6-methyluracil
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.6±0.1 g/cm3
Melting Point 290-291°C dec.
Molecular Formula C5H5N3O4
Molecular Weight 171.111
Flash Point 215.3ºC
Exact Mass 171.028000
PSA 112.06000
LogP -0.61
Index of Refraction 1.583
InChIKey LIVYMRJSNFHYEN-UHFFFAOYSA-N
SMILES Cc1[nH]c(=O)[nH]c(=O)c1[N+](=O)[O-]
Storage condition -20°C Freezer

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xn:Harmful;
Risk Phrases R40
Safety Phrases S26-S39-S36-S22
WGK Germany 3
HS Code 2933599090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~85%

5-Nitro-6-methyluracil Structure

5-Nitro-6-methy...

CAS#:16632-21-6

Learn More
Literature: CYTOPIA RESEARCH PTY LTD Patent: WO2009/62258 A1, 2009 ; Location in patent: Page/Page column 97-98 ; WO 2009/062258 A1

~96%

5-Nitro-6-methyluracil Structure

5-Nitro-6-methy...

CAS#:16632-21-6

Learn More
Literature: Hirota, Kosaku; Abe, Yoshio; Asao, Tetsuji; Senda, Shigeo; Kitade, Yukio; Maki, Yoshifumi Journal of Heterocyclic Chemistry, 1988 , vol. 25, p. 985 - 990

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933599090
Summary 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

5-Nitro-6-methyluracil
6-methyl-5-nitropyrimidine-2,4(1H,3H)-dione
6-methyl-5-nitropyrimidine-2,4-diol
T6N CNJ BQ DQ ENW F1
6-Methyl-5-nitro-2,4(1H,3H)-pyrimidinedione
6-methyl-5-nitro-1,2,3,4-tetrahydropyrimidine-2,4-dione
2,4-Dihydroxy-6-methyl-5-nitropyrimidine
MFCD00047362
T6MVMVJ ENW F1
6-Methyl-5-nitrouracil
6-Metyl-5-nitrouracil
EINECS 240-688-1

 5-Nitro-6-methyluracil | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the melting point of 5-Nitro-6-methyluracil?
A: Melting point of 5-Nitro-6-methyluracil is 290-291°C dec.
Q: What is the English name of 5-Nitro-6-methyluracil?
A: The English name of 5-Nitro-6-methyluracil is 5-Nitro-6-methyluracil.
Q: What are the downstream products of 5-Nitro-6-methyluracil?
A: Related downstream products(CAS) of 5-Nitro-6-methyluracil: 54368-61-5;4214-85-1;1899-99-6;591-07-1;585-05-7;144-62-7;63200-54-4;65996-50-1;6270-46-8;65224-66-0.
Q: What is the safety information for 5-Nitro-6-methyluracil?
A: Safety information for 5-Nitro-6-methyluracil: S26-S39-S36-S22.
Q: What is the molecular weight of 5-Nitro-6-methyluracil?
A: Molecular weight of 5-Nitro-6-methyluracil is 171.111.
Q: What are the storage conditions for 5-Nitro-6-methyluracil?
A: Storage conditions for 5-Nitro-6-methyluracil: -20°C Freezer.
Q: What is the molecular formula of 5-Nitro-6-methyluracil?
A: Molecular formula of 5-Nitro-6-methyluracil is C5H5N3O4.
Q: What is the LogP of 5-Nitro-6-methyluracil?
A: LogP of 5-Nitro-6-methyluracil is -0.61.
Q: What is the CAS number of 5-Nitro-6-methyluracil?
A: CAS number of 5-Nitro-6-methyluracil is 16632-21-6.
Q: What is the InChIKey of 5-Nitro-6-methyluracil?
A: InChIKey of 5-Nitro-6-methyluracil is LIVYMRJSNFHYEN-UHFFFAOYSA-N.

 5-Nitro-6-methyluracilfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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